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    • 7. 发明授权
    • Multicomponent powder mixing process and compositions produced thereby
    • 多组分粉末混合方法和由此制备的组合物
    • US5628945A
    • 1997-05-13
    • US925719
    • 1992-08-03
    • Richard E. RimanPaul R. Mort, III
    • Richard E. RimanPaul R. Mort, III
    • B01J2/12C03C12/02C03C14/00C03C6/08
    • B01J2/12C03C12/02C03C14/004C03C2214/05Y10S514/951
    • A method for controlling chemical distribution of substances in a solid state (and products produced thereby), the method comprising the steps of mixing particles of a first powder and a triggerable granule facilitator to form first microcapsules, the first microcapsules each having a core of one of the particles and a cladding of the facilitator; and triggering the facilitator while dry mixing the microcapsules to form substantially spherical granules of the microcapsules, the granules each having a controlled chemical distribution.The method also includes the steps of mixing particles of a second powder with the facilitator to form second microcapsules, the second microcapsules each having a core of one of the particles of the second powder and a cladding of the facilitator; and then mixing the first and the second microcapsules prior to said triggering step.The method further includes the step of the triggering, mixing the first microcapsules and a second triggerable granule facilitator to form a second cladding on the first microcapsules. To any of the foregoing, there can be the further step of pyrolyzing the microcapsules to remove a portion of the facilitator but leave a resulting pyrolysis product, forming a distribution of the pyrolysis product and the particles. Thereafter, if desired, there follows the step of heating the distribution of the pyrolysis product and the particles to induce a solid state reaction between the pyrolysis product and the particles of the first powder.
    • 一种用于控制固体物质(以及由此产生的产物)的化学分布的方法,所述方法包括以下步骤:将第一粉末和可触发颗粒促进剂的颗粒混合以形成第一微胶囊,所述第一微胶囊各自具有一个核心 的颗粒和辅助者的包层; 并且在干燥混合微胶囊时形成促进剂以形成微胶囊的基本上球形的颗粒,所述颗粒各自具有受控的化学分布。 该方法还包括将第二粉末的颗粒与促进剂混合以形成第二微胶囊的步骤,第二微胶囊各自具有第二粉末的颗粒之一的核心和促进剂的包层; 然后在所述触发步骤之前混合第一和第二微胶囊。 该方法还包括触发,混合第一微胶囊和第二可触发颗粒促进剂以在第一微胶囊上形成第二包层的步骤。 对于上述任何一个,可以进一步的步骤是热解微胶囊以除去促进剂的一部分,但留下所得的热解产物,形成热解产物和颗粒的分布。 此后,如果需要,则接着加热热分解产物和颗粒的分布以引发热解产物和第一粉末的颗粒之间的固态反应的步骤。